Patent US3346147A successfully refreshed from Google Patents.
US3346147A
Expired / Lapsed
US
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Dental compound syringe
Assignee: Brunswick Corp
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Filing: 1966-08-18
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Granted: 1967-10-10
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Expires: 1986-08-18
Abstract
No abstract record available.
Inventors
- 👤 John L Higgins
- 👤 Richard W Gilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:29
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/00593; A; A61; A61C; A61C5/00; A61C5/60; A61C5/62; B05C17/00503; B05C17/00516
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A SYRINGE HAVING A TUBULAR BARREL PROVIDED WITH AN OPEN END AND AN OPPOSITE OUTLET, AND A PLUNGER MOVABLE THROUGH SAID OPEN END TO EXPEL MATERIAL FROM SAID BARREL THROUGH SAID OUTLET, A CHARGE OF A MIXTURE COMPOSITION INSTALLED IN THE OPEN END OF THE BARREL OF THE SYRINGE TO PERMIT THE PLUNGER TO BE URGED INWARDLY THERETHROUGH TO EXPEL SAID COMPOSITION THROUGH SAID OUTLET, SAID CHARGE BEING FORMED BY THE STEPS OF: LAYING OUT A FLEXIBLE SHEET TO PRESENT AN UPPER MIXING SURFACE; PLACING ON SAID SURFACE INGREDIENT MATERIALS OF SAID COMPOSITION; MIXING SAID MATERIALS ON SAID SURFACE TO FORM SAID COMPOSITION; AND FORMING SAID SHEET INTO A GENERALLY TUBULAR OPEN-ENDED CONFIGURATION WITH SAID COMPOSITION RETAINED THEREIN.
Claim 2
Dependent Claim
119 words
IN A SYRINGE HAVING A TUBULAR BARREL PROVIDED WITH AN OPEN END AND AN OPPOSITE OUTLET, AND A PLUNGER MOVABLE THROUGH SAID OPEN END TO EXPEL MATERIAL FROM SAID BARREL THROUGH SAID OUTLET, A CHARGE OF A MIXTURE COMPOSITION INSTALLED IN THE OPEN END OF THE BARREL OF THE SYRINGE TO PERMIT THE PLUNGER TO BE URGED INWARDLY THERETHROUGH TO EXPEL SAID COMPOSITION THROUGH SAID OUTLET, SAID CHARGE BEING FORMED BY THE STEPS OF: LAYING OUT A FLEXIBLE SHEET TO PRESENT AN UPPER MIXING SURFACE; PLACING ON SAID SURFACE INGREDIENT MATERIALS OF SAID COMPOSITION; MIXING SAID MATERIALS ON SAID SURFACE TO FORM SAID COMPOSITION; AND FORMING SAID SHEET INTO A GENERALLY TUBULAR OPEN-ENDED CONFIGURATION WITH SAID COMPOSITION RETAINED THEREIN.
References Cited (Backward Citations)
US1259146A
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US1275058A
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US1269438A
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US1833528A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |